UNT Libraries Government Documents Department - 36 Matching Results

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Improvement in Velocipedes

Description: Patent for the improvement of Velocipedes. The improvement consists of a new and novel combination and arrangement of propelling power, due to the weight of the body, which may be aided by the muscular force thereof and guiding apparatus.
Date: February 13, 1872
Creator: Maltby, Henry A.
Item Type: Refine your search to only Patent

Primer for Cannon.

Description: Patent for a new and improved primer for cannons. This design corrects the loosening of primers in their vent-holes by way of "a spring combined with the priming tube, which spring expands to the size of the vent" (para. 3). This eliminates blowouts and premature breakage.
Date: September 14, 1880
Creator: Rodman, John Black
Item Type: Refine your search to only Patent

Syringe.

Description: Patent for a syringe that will inject or throw liquid and is piston-operated. "In its special organization the device is particularly adapted for males and treatment of diseases to which they are heir, and is light, neat, and compact, so as to be easily carried in the pocket" (lines 18-22).
Date: September 3, 1895
Creator: Putegnat, Joseph L.
Item Type: Refine your search to only Patent

Invalid's Chair.

Description: Patent for a new and improved invalid's chair. This design "relates to an improvement in chairs which will adapt them to the use of invalids and children" (line 7-9).
Date: January 18, 1898
Creator: Yznaga, Juana G.
Item Type: Refine your search to only Patent

Buggy-Shackle

Description: Patent for a buggy shackle which "has a spring actuated coupling pin, and means for holding the pin in uncoupled position while the thills are being attached" (lines 10-13).
Date: August 2, 1910
Creator: Perry, Charles Franklin
Item Type: Refine your search to only Patent

Water-Elevator.

Description: Patent for a water elevator that is composed of a band with buckets attached that goes around the structure in a circle delivering water.
Date: September 5, 1911
Creator: Thompson, James W. & Hathaway, James F.
Item Type: Refine your search to only Patent

Hand-Transplanter

Description: Patent for a "manually operated device, adapted for the manipulation of small plants, during the transplanting of the same, and the thinning out of closely growing plants" (lines 9-13). Includes instructions and illustrations.
Date: November 7, 1911
Creator: Thompson, James W.
Item Type: Refine your search to only Patent

Hair-Pin.

Description: Patent for a hairpin which consists of multiple parts made to grip the hair while secured in place with illustrations included.
Date: July 22, 1913
Creator: Jacobsen, Herbert
Item Type: Refine your search to only Patent

Self-Filling Tire

Description: Patent for a product that automatically inflates automobile tires with the motion and weight of the moving vehicle, with the help of a piston that is not driven by springs.
Date: April 20, 1915
Creator: Fernandez, Jose
Item Type: Refine your search to only Patent
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